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feat: optimize process & plugin loader and scanner

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Signed-off-by: MiaoWoo <admin@yumc.pw>
This commit is contained in:
MiaoWoo
2020-06-30 15:58:51 +08:00
parent 14eef46e67
commit e28af3fbbc
6 changed files with 50 additions and 34 deletions
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10
packages/spring/src/internal/scanner/mysql-scanner.ts
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@ -14,6 +14,7 @@ export class MySQLScanner implements plugin.PluginScanner {
type: string = "mysql"
private cacheDir = 'mysql-plugin-cache'
private cacheFileMap: Map<string, MySQLPlugin> = new Map()
private target: string
@inject(database.DataBaseManager)
@ -25,7 +26,14 @@ export class MySQLScanner implements plugin.PluginScanner {
return plugins.map(p => this.read(p))
}
read(mysqlPlugin: MySQLPlugin): plugin.PluginLoadMetadata {
return { name: mysqlPlugin.name, file: fs.concat(root, this.cacheDir, `${mysqlPlugin.name}.js`), type: this.type, mysqlPlugin, scanner: this }
// if invoke this function from loadFromFile mysqlPlugin is a string need read from cache
if (typeof mysqlPlugin == "string") {
if (!this.cacheFileMap.has(mysqlPlugin)) { throw new Error(`this file ${mysqlPlugin} is not read from mysql-scanner. can't reload from this scanner!`) }
mysqlPlugin = this.cacheFileMap.get(mysqlPlugin)
}
let cacheFile = fs.concat(root, this.cacheDir, `${mysqlPlugin.name}.js`)
this.cacheFileMap.set(cacheFile, mysqlPlugin)
return { name: mysqlPlugin.name, file: cacheFile, type: this.type, mysqlPlugin, scanner: this }
}
load(metadata: plugin.PluginLoadMetadata) {
if (metadata.type !== this.type) { return }